package org.example;

import java.io.File;
import java.io.InputStream;
import java.io.OutputStream;
import java.net.InetAddress;
import java.net.ServerSocket;
import java.net.Socket;

public class HttpServer {
    public static final String WEB_ROOT = System.getProperty("user.dir")+File.separator+"webroot";
    public static final String SHUTDOWN_COMMAND="/SHUTDOWN";

    private boolean shutdown = false;

    public static void main(String[] args) {
        System.out.println(WEB_ROOT);
        HttpServer server = new HttpServer();
        server.await();
    }

    public void await(){
        ServerSocket serverSocket = null;
        int port = 8080;
        try{
            serverSocket = new ServerSocket(port,1, InetAddress.getByName("127.0.0.1"));
        }catch (Exception ex){
            ex.printStackTrace();
            System.exit(1);
        }
        // loop waiting for a request
        while (!shutdown){
            Socket socket = null;
            InputStream input = null;
            OutputStream output = null;
            try{
                socket = serverSocket.accept();
                input = socket.getInputStream();
                output = socket.getOutputStream();
                Request request = new Request(input);
                request.parse();
                Response response = new Response(output);
                response.setRequest(request);
                response.sendStaticResources();
                socket.close();
                shutdown = request.getUri().equals(SHUTDOWN_COMMAND);
            }catch (Exception ex){
                ex.printStackTrace();
                continue;
            }
        }
    }
}
